Self Drilling Phillips Pan Head Screws (DIN 7504N)

Question: What is DIN 7504 N ?

Answer: Self Drilling Phillips Pan Head Screws, sometimes called Tek Screws, are designed to both bore and tap a hole through steel in one operation. 

Question: What is the equivalent of DIN 7504 N?

Answer: DIN 7504 N - Self Drilling screws. Current norm: ISO 15481. Equivalent norms: UNI 8118 N

Question: Do I need to drill a hole for a Self Drilling Phillips Pan Head Screws (DIN 7504N)?

Answer: No, you do not need to pre-drill a hole. Self-drilling screws like the Fullerkreg Phillips Pan Head are designed with a drill point tip that allows them to drill, tap, and fasten in one operation without a pilot hole.

Question: What is the difference between a normal screw and a Self-drilling screw?

Answer: The key difference is functionality. A normal screw requires a pre-drilled pilot hole to be inserted. A self-drilling screw has a drill-shaped point that creates its own pilot hole, then taps threads, and fastens the materials in a single step, eliminating the need for separate drilling.

Question: How to measure Self Drilling Phillips Pan Head Screws?

Answer: You can measure these screws using their key dimensional specifications, which are typically denoted by "Size" and include the diameter and length. For example, a Fullerkreg screw may be listed as 5.5mm x 25 mm, where 5.5mm is the diameter and 25 mm is the length. Other measurable dimensions can include head diameter and head height.

Question: What are the available materials for this series Self Drilling Phillips Pan Head Screws?

Answer: The Fullerkreg Self Drilling Phillips Pan Head Screws are available in the following materials:

Carbon Steel with a Zinc Plated finish.

Stainless Steel A2.

Stainless Steel A4.

Stainless Steel SUS410.

Question: Is Fullerkreg a manufacturer of Self Drilling Phillips Pan Head Screws ? Where are they produced?

Answer: YES 

Question: Fullerkreg Self-Drilling Screw VS PTA Self-Drilling Screw, which one has better quality?

Answer:  PTA is a well-recognized brand in the industry known for its excellent product quality. Fullerkreg also strictly adheres to Self-Drilling Screw, offering various high-performance materials and specialized options, with additional competitive advantages in pricing.

Active Stock List (All items are currently in stock)：

PIC	PRODUCT	SIZE	GRADE	FINISH	THREAD
	Self Drilling Phillips Pan Head Screws (DIN 7504N) - Stainless Steel (A2)	No.6 (3.5mm) to No.14 (6.3mm)	A2 Grade 70	-	Coarse Full
	Self Drilling Phillips Pan Head Screws (DIN 7504N) - Stainless Steel (A4)	No.6 (3.5mm) to No.14 (6.3mm)	A4 Grade 70	-	Coarse Full
	Self Drilling Phillips Pan Head Screws (DIN 7504N) - Stainless Steel (SUS410)	No.6 (3.5mm) to No.14 (6.3mm)	-	-	Coarse
	Self Drilling Phillips Pan Head Screws (DIN 7504N) - Carbon Steel Zinc Cr3	No.6 (3.5mm) to No.14 (6.3mm)	-	Zinc Cr3	Coarse